High-yielding cows' "nutrition catering"
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November 14 21:02:25, 2018
To reduce the cost of feed for dairy cows, it is necessary to grasp the key nutritional factors that affect the milk production of dairy cows and to adjust the feeding methods for dairy cows' feeds. We now recommend a full-price feed formulation and feeding technology for producing 7,500 kilograms of high-yielding dairy cows annually. Full price feed formula: 34% soybean meal, 10% bran, 50% corn, 1% salt, 3% bone meal or sodium hydrogen phosphate, 2% milk premix. For middle- or low-producing dairy cows, the ratio of soybean meal and bran can be adjusted according to this formula to reduce the feed cost, or the feed daily cost can be reduced by reducing the daily feed amount of the full-price feed. Specific measures: (1) Set up sinks and troughs in the stadium to ensure that cows can freely drink water and eat roughage during exercise. High-quality fresh pasture and straw are fed in proportion. Generally, a cow feeds 30-35 kilograms of fresh silage corn stalk and 2.5-3.0 kilograms of dry stalk daily to provide the fibrous substances required for rumen fermentation of dairy cows. When dairy cows produce 10 kg, 15 kg, 20 kg, 25 kg and 30 kg of milk per day, the above feed formulation is adopted. The daily feed amount of full-rate feed is 4 kg, 7 kg, 9 kg, 11 kg and 13 kg in that order. For high-yielding dairy cows, daily feeds for full-rate feeds can be raised as appropriate. When adjusting feed daily feeds, except for stabilizing feed intake, each cow must feed 100 grams of salt, 50 grams of bone meal or calcium hydrogen phosphate, and 100 grams of milk premix. Make up fresh brewers' grains. The fresh brewer's grains have high moisture content, rich protein, and a large amount of yeast, which can significantly improve feed utilization efficiency and reduce feed costs. (Chaoyang County Agricultural Broadcasting School)